arm64: Kconfig.platforms: Add config for Marvell PXA1908 platform

Add ARCH_MMP configuration option for Marvell PXA1908 SoC.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Duje Mihanović <duje@dujemihanovic.xyz>
Link: https://lore.kernel.org/r/20250708-pxa1908-lkml-v16-3-b4392c484180@dujemihanovic.xyz
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Author: LegoLivesMatter

arch/arm64/Kconfig.platforms

@@ -178,6 +178,14 @@ config ARCH_MESON
 	  This enables support for the arm64 based Amlogic SoCs
 	  such as the s905, S905X/D, S912, A113X/D or S905X/D2
 
+config ARCH_MMP
+	bool "Marvell MMP SoC Family"
+	select PINCTRL
+	select PINCTRL_SINGLE
+	help
+	  This enables support for Marvell MMP SoC family, currently
+	  supporting PXA1908 aka IAP140.
+
 config ARCH_MVEBU
 	bool "Marvell EBU SoC Family"
 	select ARMADA_AP806_SYSCON